Methylmalonic Acid

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Also known as: MMA
Formal name: Methylmalonic Acid

At a Glance

Why Get Tested?

To help detect vitamin B12 deficiency when results of Vitamin B12 testing are equivacol and there is a high clinical suspicion of deficiency; to help diagnose methylmalonic acidaemia, a rare inherited metabolic disorder

When to Get Tested?

If you have a vitamin B12 concentration in the low end of the normal range and/or unexplained symptoms of neuropathy, such as numbness and tingling in the hands and feet or unexplained macrocytosis (large blood cells)

Sample Required?

A blood sample taken from a vein in your arm; or a random or 24-hour urine sample

Test Preparation Needed?

You may be instructed to fast before sample collection for this test.